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Key Documents

Safety Information

S6381

Sigma-Aldrich

Sulfonazo III sodium salt

Synonym(s):

2,7-Bis(2-sulfophenylazo)chromotropic acid tetrasodium salt, 3,6-Bis(2-sulfophenylazo)-4,5-dihydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt

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About This Item

Empirical Formula (Hill Notation):
C22H12N4Na4O14S4
CAS Number:
Molecular Weight:
776.57
Beilstein:
1900148
MDL number:
UNSPSC Code:
12171500

SMILES string

[Na+].[Na+].[Na+].[Na+].Oc1c(\N=N\c2ccccc2S([O-])(=O)=O)c(cc3cc(c(\N=N\c4ccccc4S([O-])(=O)=O)c(O)c13)S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C22H16N4O14S4.4Na/c27-21-18-11(9-16(43(35,36)37)19(21)25-23-12-5-1-3-7-14(12)41(29,30)31)10-17(44(38,39)40)20(22(18)28)26-24-13-6-2-4-8-15(13)42(32,33)34;;;;/h1-10,27-28H,(H,29,30,31)(H,32,33,34)(H,35,36,37)(H,38,39,40);;;;/q;4*+1/p-4/b25-23+,26-24+;;;;

InChI key

FCMRBZBGGXLKBC-KBJWUIGUSA-J

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Analysis Note

Sodium content on label.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

S6381-BULK:
S6381-5G:
S6381-25G:
S6381-1G:


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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